Okay, so God who is one Adonay (LORD) and is not a man or the son of man is Master and Lord of the adown (lord) of the Jews. The fact remains that master and lord, even preceded by the word "only" does not equate to divinity.
Also, since you do not furnish the translation you are using the KJ, and the NKJ read:
Jude 4
4 For certain men have crept in unnoticed, who long ago were marked out for this condemnation, ungodly men, who turn the grace of our God into lewdness and deny the only Lord God and our Lord Jesus Christ.
NKJV
Jude 4
4 For there are certain men crept in unawares, who were before of old ordained to this condemnation, ungodly men, turning the grace of our God into lasciviousness, and denying the only Lord God, and our Lord Jesus Christ.
KJV
Also Jude agrees with 1 Corinthians 8:6.